---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11781 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 638 9538 4 5811 15008 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d5:d0:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82475sec preferred_lft 82475sec inet6 fe80::f816:3eff:fed5:d0de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:6b:b5:f1:79:51 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11781) 05/07/26 _x86_64_ (4 CPU) 16:40:00 LINUX RESTART (4 CPU) 16:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:02 26.54 20.28 6.14 0.12 1947.31 10660.01 1195.01 17:00:02 1.06 0.01 1.05 0.00 0.04 12.13 0.13 17:10:00 0.99 0.00 0.98 0.00 0.00 11.49 0.01 17:20:02 1.11 0.00 1.10 0.00 0.08 12.41 0.00 17:30:02 1.36 0.31 1.04 0.00 13.61 31.33 0.01 17:40:00 59.80 4.44 52.84 2.52 266.55 10491.69 8107.86 Average: 15.13 4.18 10.51 0.44 371.64 3535.16 1547.75 16:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:02 13777912 15526820 492204 3.01 53692 1922140 1140188 6.54 193048 2150420 172 17:00:02 13777264 15526520 492488 3.01 54040 1922144 1140252 6.55 193408 2151872 8 17:10:00 13776524 15526068 492876 3.01 54340 1922148 1140252 6.55 193684 2152448 8 17:20:02 13778060 15528212 490692 3.00 54744 1922308 1140252 6.55 194112 2153324 8 17:30:02 13747688 15508000 510508 3.12 55084 1932216 1148100 6.59 196064 2194544 204 17:40:00 7940884 12670212 3285516 20.07 133648 4687336 3497756 20.08 1120504 6896108 276 Average: 12799722 15047639 960714 5.87 67591 2384715 1534467 8.81 348470 2949786 113 16:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:02 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 16:50:02 ens3 14.82 9.59 67.16 2.06 0.00 0.00 0.00 0.00 16:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:02 ens3 0.24 0.12 0.07 0.04 0.00 0.00 0.00 0.00 17:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:00 ens3 0.18 0.09 0.04 0.02 0.00 0.00 0.00 0.00 17:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:02 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:30:02 ens3 8.17 4.76 12.12 1.47 0.00 0.00 0.00 0.00 17:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:00 lo 751.28 751.28 715.42 715.42 0.00 0.00 0.00 0.00 17:40:00 ens3 144.37 110.60 1336.40 22.43 0.00 0.00 0.00 0.00 17:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 125.05 125.05 118.98 118.98 0.00 0.00 0.00 0.00 Average: ens3 27.94 20.84 235.49 4.33 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11781) 05/07/26 _x86_64_ (4 CPU) 16:40:00 LINUX RESTART (4 CPU) 16:40:00 CPU %user %nice %system %iowait %steal %idle 16:50:02 all 0.74 0.00 0.26 0.26 0.02 98.71 16:50:02 0 0.63 0.00 0.39 0.45 0.01 98.52 16:50:02 1 0.60 0.00 0.21 0.10 0.03 99.06 16:50:02 2 0.99 0.00 0.20 0.33 0.01 98.47 16:50:02 3 0.75 0.00 0.24 0.18 0.02 98.81 17:00:02 all 0.08 0.00 0.02 0.01 0.01 99.88 17:00:02 0 0.03 0.00 0.03 0.00 0.02 99.92 17:00:02 1 0.03 0.00 0.02 0.02 0.01 99.92 17:00:02 2 0.22 0.00 0.03 0.00 0.02 99.73 17:00:02 3 0.03 0.00 0.02 0.00 0.01 99.93 17:10:00 all 0.12 0.00 0.03 0.01 0.01 99.83 17:10:00 0 0.01 0.00 0.02 0.00 0.01 99.95 17:10:00 1 0.03 0.00 0.03 0.02 0.01 99.91 17:10:00 2 0.44 0.00 0.05 0.00 0.02 99.48 17:10:00 3 0.01 0.00 0.02 0.01 0.01 99.96 17:20:02 all 0.09 0.00 0.02 0.01 0.01 99.87 17:20:02 0 0.28 0.00 0.02 0.00 0.01 99.69 17:20:02 1 0.03 0.00 0.02 0.01 0.01 99.94 17:20:02 2 0.04 0.00 0.03 0.01 0.03 99.89 17:20:02 3 0.01 0.00 0.01 0.01 0.01 99.96 17:30:02 all 0.32 0.00 0.03 0.01 0.01 99.63 17:30:02 0 0.36 0.00 0.03 0.00 0.01 99.59 17:30:02 1 0.13 0.00 0.03 0.01 0.01 99.83 17:30:02 2 0.68 0.00 0.03 0.02 0.02 99.25 17:30:02 3 0.12 0.00 0.03 0.00 0.02 99.83 17:40:00 all 49.60 0.00 2.16 0.28 0.08 47.88 17:40:00 0 45.43 0.00 1.94 0.22 0.08 52.34 17:40:00 1 51.39 0.00 2.30 0.41 0.09 45.82 17:40:00 2 47.84 0.00 2.12 0.39 0.08 49.57 17:40:00 3 53.76 0.00 2.29 0.09 0.09 43.78 Average: all 8.45 0.00 0.42 0.09 0.03 91.01 Average: 0 7.75 0.00 0.40 0.11 0.02 91.71 Average: 1 8.65 0.00 0.43 0.09 0.03 90.80 Average: 2 8.33 0.00 0.41 0.12 0.03 91.11 Average: 3 9.07 0.00 0.43 0.05 0.03 90.42